leave build dir until clean

.gitignore

@@ -1,3 +1,4 @@
+build
 smith
 rpm
 .idea/

Makefile

@@ -29,13 +29,13 @@ id = $(shell head -c20 /dev/urandom|od -An -tx1|tr -d ' \n')
 # if it is cloned outside of the gopath. Go's vendor support only works if
 # the project is inside the gopath
 $(NAME): $(call gofiles,$(DIRS))
+ rm -rf build
  mkdir -p build/src/$(REMOTE)
  rm -f build/src/$(REMOTE)/$(NAME) && ln -s ../../../../ build/src/$(REMOTE)/$(NAME)
  cd build/src/$(REMOTE)/$(NAME) && CGO_ENABLED=0 GOPATH=$(CURDIR)/build \
  GO15VENDOREXPERIMENT=1 go build -a -x -v \
  -ldflags '-X "main.ver=$(VERSION)" -X "main.sha=$(sha)" -B 0x$(id)' \
- -o $(NAME) . || ( rm -rf build && false )
- rm -rf build
+ -o $(NAME) .
 
 .PHONY: $(call testdirs,$(DIRS))
 $(call testdirs,$(DIRS)):
@@ -51,6 +51,7 @@ test: fmt $(call testdirs,$(DIRS))
 
 clean:
  rm -f $(NAME)
+ rm -rf build
  rm -rf rpm
 
 install: all